<?php
    /**
     * PHPExcel
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category       PHPExcel
     * @package        PHPExcel_Chart
     * @copyright      Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license        http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version        ##VERSION##, ##DATE##
     */

    /**
     * PHPExcel_Chart_DataSeries
     * @category       PHPExcel
     * @package        PHPExcel_Chart
     * @copyright      Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     */
    class PHPExcel_Chart_DataSeries {
        const TYPE_BARCHART        = 'barChart';
        const TYPE_BARCHART_3D     = 'bar3DChart';
        const TYPE_LINECHART       = 'lineChart';
        const TYPE_LINECHART_3D    = 'line3DChart';
        const TYPE_AREACHART       = 'areaChart';
        const TYPE_AREACHART_3D    = 'area3DChart';
        const TYPE_PIECHART        = 'pieChart';
        const TYPE_PIECHART_3D     = 'pie3DChart';
        const TYPE_DOUGHTNUTCHART  = 'doughnutChart';
        const TYPE_DONUTCHART      = self::TYPE_DOUGHTNUTCHART;    //    Synonym
        const TYPE_SCATTERCHART    = 'scatterChart';
        const TYPE_SURFACECHART    = 'surfaceChart';
        const TYPE_SURFACECHART_3D = 'surface3DChart';
        const TYPE_RADARCHART      = 'radarChart';
        const TYPE_BUBBLECHART     = 'bubbleChart';
        const TYPE_STOCKCHART      = 'stockChart';
        const TYPE_CANDLECHART     = self::TYPE_STOCKCHART;       //    Synonym
        const GROUPING_CLUSTERED       = 'clustered';
        const GROUPING_STACKED         = 'stacked';
        const GROUPING_PERCENT_STACKED = 'percentStacked';
        const GROUPING_STANDARD        = 'standard';
        const DIRECTION_BAR        = 'bar';
        const DIRECTION_HORIZONTAL = self::DIRECTION_BAR;
        const DIRECTION_COL        = 'col';
        const DIRECTION_COLUMN     = self::DIRECTION_COL;
        const DIRECTION_VERTICAL   = self::DIRECTION_COL;
        const STYLE_LINEMARKER   = 'lineMarker';
        const STYLE_SMOOTHMARKER = 'smoothMarker';
        const STYLE_MARKER       = 'marker';
        const STYLE_FILLED       = 'filled';
        /**
         * Series Plot Type
         * @var string
         */
        private $plotType;
        /**
         * Plot Grouping Type
         * @var boolean
         */
        private $plotGrouping;
        /**
         * Plot Direction
         * @var boolean
         */
        private $plotDirection;
        /**
         * Plot Style
         * @var string
         */
        private $plotStyle;
        /**
         * Order of plots in Series
         * @var array of integer
         */
        private $plotOrder = [];
        /**
         * Plot Label
         * @var array of PHPExcel_Chart_DataSeriesValues
         */
        private $plotLabel = [];
        /**
         * Plot Category
         * @var array of PHPExcel_Chart_DataSeriesValues
         */
        private $plotCategory = [];
        /**
         * Smooth Line
         * @var string
         */
        private $smoothLine;
        /**
         * Plot Values
         * @var array of PHPExcel_Chart_DataSeriesValues
         */
        private $plotValues = [];

        /**
         * Create a new PHPExcel_Chart_DataSeries
         */
        public function __construct($plotType = null, $plotGrouping = null, $plotOrder = [], $plotLabel = [], $plotCategory = [], $plotValues = [], $plotDirection = null, $smoothLine = null, $plotStyle = null) {
            $this->plotType     = $plotType;
            $this->plotGrouping = $plotGrouping;
            $this->plotOrder    = $plotOrder;
            $keys               = array_keys($plotValues);
            $this->plotValues   = $plotValues;
            if ((count($plotLabel) == 0) || (is_null($plotLabel[$keys[0]]))) {
                $plotLabel[$keys[0]] = new PHPExcel_Chart_DataSeriesValues();
            }
            $this->plotLabel = $plotLabel;
            if ((count($plotCategory) == 0) || (is_null($plotCategory[$keys[0]]))) {
                $plotCategory[$keys[0]] = new PHPExcel_Chart_DataSeriesValues();
            }
            $this->plotCategory = $plotCategory;
            $this->smoothLine   = $smoothLine;
            $this->plotStyle    = $plotStyle;
            if (is_null($plotDirection)) {
                $plotDirection = self::DIRECTION_COL;
            }
            $this->plotDirection = $plotDirection;
        }

        /**
         * Get Plot Type
         * @return string
         */
        public function getPlotType() {
            return $this->plotType;
        }

        /**
         * Set Plot Type
         * @param string $plotType
         * @return PHPExcel_Chart_DataSeries
         */
        public function setPlotType($plotType = '') {
            $this->plotType = $plotType;
            return $this;
        }

        /**
         * Get Plot Grouping Type
         * @return string
         */
        public function getPlotGrouping() {
            return $this->plotGrouping;
        }

        /**
         * Set Plot Grouping Type
         * @param string $groupingType
         * @return PHPExcel_Chart_DataSeries
         */
        public function setPlotGrouping($groupingType = null) {
            $this->plotGrouping = $groupingType;
            return $this;
        }

        /**
         * Get Plot Direction
         * @return string
         */
        public function getPlotDirection() {
            return $this->plotDirection;
        }

        /**
         * Set Plot Direction
         * @param string $plotDirection
         * @return PHPExcel_Chart_DataSeries
         */
        public function setPlotDirection($plotDirection = null) {
            $this->plotDirection = $plotDirection;
            return $this;
        }

        /**
         * Get Plot Order
         * @return string
         */
        public function getPlotOrder() {
            return $this->plotOrder;
        }

        /**
         * Get Plot Labels
         * @return array of PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotLabels() {
            return $this->plotLabel;
        }

        /**
         * Get Plot Label by Index
         * @return PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotLabelByIndex($index) {
            $keys = array_keys($this->plotLabel);
            if (in_array($index, $keys)) {
                return $this->plotLabel[$index];
            } elseif (isset($keys[$index])) {
                return $this->plotLabel[$keys[$index]];
            }
            return false;
        }

        /**
         * Get Plot Categories
         * @return array of PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotCategories() {
            return $this->plotCategory;
        }

        /**
         * Get Plot Category by Index
         * @return PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotCategoryByIndex($index) {
            $keys = array_keys($this->plotCategory);
            if (in_array($index, $keys)) {
                return $this->plotCategory[$index];
            } elseif (isset($keys[$index])) {
                return $this->plotCategory[$keys[$index]];
            }
            return false;
        }

        /**
         * Get Plot Style
         * @return string
         */
        public function getPlotStyle() {
            return $this->plotStyle;
        }

        /**
         * Set Plot Style
         * @param string $plotStyle
         * @return PHPExcel_Chart_DataSeries
         */
        public function setPlotStyle($plotStyle = null) {
            $this->plotStyle = $plotStyle;
            return $this;
        }

        /**
         * Get Plot Values
         * @return array of PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotValues() {
            return $this->plotValues;
        }

        /**
         * Get Plot Values by Index
         * @return PHPExcel_Chart_DataSeriesValues
         */
        public function getPlotValuesByIndex($index) {
            $keys = array_keys($this->plotValues);
            if (in_array($index, $keys)) {
                return $this->plotValues[$index];
            } elseif (isset($keys[$index])) {
                return $this->plotValues[$keys[$index]];
            }
            return false;
        }

        /**
         * Get Number of Plot Series
         * @return integer
         */
        public function getPlotSeriesCount() {
            return count($this->plotValues);
        }

        /**
         * Get Smooth Line
         * @return boolean
         */
        public function getSmoothLine() {
            return $this->smoothLine;
        }

        /**
         * Set Smooth Line
         * @param boolean $smoothLine
         * @return PHPExcel_Chart_DataSeries
         */
        public function setSmoothLine($smoothLine = true) {
            $this->smoothLine = $smoothLine;
            return $this;
        }

        public function refresh(PHPExcel_Worksheet $worksheet) {
            foreach ($this->plotValues as $plotValues) {
                if ($plotValues !== null) {
                    $plotValues->refresh($worksheet, true);
                }
            }
            foreach ($this->plotLabel as $plotValues) {
                if ($plotValues !== null) {
                    $plotValues->refresh($worksheet, true);
                }
            }
            foreach ($this->plotCategory as $plotValues) {
                if ($plotValues !== null) {
                    $plotValues->refresh($worksheet, false);
                }
            }
        }
    }
